move preparation of chroma intra prediction into its

own inline function

Originally committed as revision 9513 to svn://svn.ffmpeg.org/ffmpeg/trunk

1 files changed, 17 insertions, 0 deletions

diff --git a/libavcodec/cavs.h b/libavcodec/cavs.h
index 6610574536..a2d050a2b3 100644
--- a/libavcodec/cavs.h
+++ b/libavcodec/cavs.h
@@ -276,6 +276,23 @@ static inline void load_intra_pred_luma(AVSContext *h, uint8_t *top,
     }
 }
 
+static inline void load_intra_pred_chroma(AVSContext *h) {
+    /* extend borders by one pixel */
+    h->left_border_u[9] = h->left_border_u[8];
+    h->left_border_v[9] = h->left_border_v[8];
+    h->top_border_u[h->mbx*10+9] = h->top_border_u[h->mbx*10+8];
+    h->top_border_v[h->mbx*10+9] = h->top_border_v[h->mbx*10+8];
+    if(h->mbx && h->mby) {
+        h->top_border_u[h->mbx*10] = h->left_border_u[0] = h->topleft_border_u;
+        h->top_border_v[h->mbx*10] = h->left_border_v[0] = h->topleft_border_v;
+    } else {
+        h->left_border_u[0] = h->left_border_u[1];
+        h->left_border_v[0] = h->left_border_v[1];
+        h->top_border_u[h->mbx*10] = h->top_border_u[h->mbx*10+1];
+        h->top_border_v[h->mbx*10] = h->top_border_v[h->mbx*10+1];
+    }
+}
+
 static inline void modify_pred(const int_fast8_t *mod_table, int *mode) {
     *mode = mod_table[*mode];
     if(*mode < 0) {